I could be wrong, as I have never used the n800 only the n810, but I don't think you have to install any software and you shouldn't have to mess with USB networking unless your using a usb networking card.

only thing you might have to do, if your miniUSB to USB A female does not automatically support OTG, is enable usb host mode
to do this:

open xterm

enter:

sudo gainroot
echo host> /sys/devices/platform/musb_hdrc/mode

now try connecting your usb flash drive.
it will say device not recognized and then work anyway.